How to Replace the Alternator Brush and Voltage Regulator on an Acura Integra?

The replacement of brushes and regulator on Mitsubishi alternators which power Integrala models needs significant disassembly work so it should be handled only by qualified automotive repair facilities. The replacement of Nippondenso alternator's brushes and regulator does not require complete overhauling of the unit. Take the alternator to a dealer service department or other repair shop for either rebuilding or exchanging it for a rebuilt unit if the replacement of brushes and regulator cannot solve the issue. Start the process by taking out the alternator then position it on a clean work surface. The three rear cover nuts and nut and terminal insulator require removal to detach the rear cover. You need to detach the rear end frame brush holder with its retaining screws then extract it from position. A measurement of brush exposure should determine its length compared to the minimum standard before conducting a brush replacement. Check that all brush handles glide easily in the brush holder structure. Start by removing the brushes before the regulator can be detached by removing its mounting screws. The installation process starts by reversing removal steps and entailing the brush holder to be installed through brush depression with a screwdriver to clear its shaft.

Genuine Acura Integra Voltage Regulator

Adjustable Voltage Regulator

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8 Voltage Regulators found

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Acura Integra Regulator Assembly
Part Number: 31150-P72-003
$179.87 MSRP: $256.89
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Product Specifications
- Replaced by: 31150-P1E-003
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura Integra REGULATOR ASSY.
Part Number: 31150-6MD-A01
$54.81 MSRP: $76.45
You Save: $21.64 (29%)
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Product Specifications
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura Integra Regulator Assembly
Part Number: 31150-PEA-A01
Product Specifications
- Other Name: Voltage Regulator
- Replaces: 31150-P2T-003, 31150-PV4-003
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura Integra Regulator Assembly
Part Number: 31150-PM4-003
Product Specifications
- Replaced by: 31150-P1E-A01
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura Integra Regulator Assembly
Part Number: 31150-PE7-662
Product Specifications
- Replaced by: 31150-P1E-A01
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
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Acura Integra Regulator Assembly
Part Number: 31150-PE7-661
Product Specifications
- Replaced by: 31150-P1E-A01
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
View related parts
Acura Integra Regulator Assembly
Part Number: 31150-P2E-A01
Product Specifications
- Other Name: Voltage Regulator
- Warranty: This genuine part is guaranteed by Acura's factory warranty.
View related parts
Acura Integra Regulator Assembly
Part Number: 31150-PR4-C01
Product Specifications
- Other Name: Voltage Regulator
- Warranty: This genuine part is guaranteed by Acura's factory warranty.

Acura Integra Voltage Regulator

The Acura Integra Voltage Regulator protects the battery and electronics by staying within the safe 13.5 to 14.5 volt range of alternator output. It is constantly sensing battery level and electrical demand. It then increases or decreases rotor field current so voltage never goes too high or too low. Early versions of the Acura Integra were based on a mechanical external Voltage Regulator, which applied coils and contact points. These parts could pit or stick and risk overcharging. Later cars have a solid state Voltage Regulator that is stuffed with transistors that switch thousands of times per second to bring even faster response and higher reliability. Subsequent generations put the Voltage Regulator within the alternator itself to reduce the clutter of wiring and save space. Updated Acura Integra editions allow the Powertrain Control Module to take over Voltage Regulator duties, taking into account the temperature and ambient heat of the battery as well as the load on the engine to charge the battery more intelligently. Through these stages, the primary difference is the way each design senses conditions and modulates the field current, but all Acura Integra configurations have one thing in common: steady power that protects fuses, lights, and stereo from voltage spikes.

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Acura Integra Voltage Regulator Parts Questions & Experts Answers

Regulator Assembly
31150-PEA-A01
Q: How to Replace the Alternator Brush and Voltage Regulator on an Acura Integra?
A:
The replacement of brushes and regulator on Mitsubishi Alternators which power Integrala models needs significant disassembly work so it should be handled only by qualified automotive repair facilities. The replacement of Nippondenso alternator's brushes and regulator does not require complete overhauling of the unit. Take the alternator to a dealer service department or other repair shop for either rebuilding or exchanging it for a rebuilt unit if the replacement of brushes and regulator cannot solve the issue. Start the process by taking out the alternator then position it on a clean work surface. The three rear cover nuts and nut and terminal insulator require removal to detach the rear cover. You need to detach the rear end frame brush holder with its retaining screws then extract it from position. A measurement of brush exposure should determine its length compared to the minimum standard before conducting a brush replacement. Check that all brush handles glide easily in the brush holder structure. Start by removing the brushes before the regulator can be detached by removing its mounting screws. The installation process starts by reversing removal steps and entailing the brush holder to be installed through brush depression with a screwdriver to clear its shaft.

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